Rare retroperitoneal giant sacral schwannoma: A case report

Zhou,Shunchang; Wan,Shenyi; Li,Liang; Dong,Wei; Ma,Xuhui; Chu,Haibo; Zhong,Yuxu

doi:10.3892/ol.2024.14394

Rare retroperitoneal giant sacral schwannoma: A case report

Authors:
- Shunchang Zhou
- Shenyi Wan
- Liang Li
- Wei Dong
- Xuhui Ma
- Haibo Chu
- Yuxu Zhong
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Affiliations: Department of General Surgery, Jiaozhou Branch of Shanghai East Hospital, Tongji University, Qingdao, Shandong 266300, P.R. China, Department of Radiology, Jiaozhou Branch of Shanghai East Hospital, Tongji University, Qingdao, Shandong 266300, P.R. China, State Key Laboratory of Toxicology and Medical Countermeasures, Beijing Institute of Pharmacology and Toxicology, Beijing 100850, P.R. China
Published online on: April 10, 2024 https://doi.org/10.3892/ol.2024.14394
Article Number: 261
Copyright: © Zhou et al. This is an open access article distributed under the terms of Creative Commons Attribution License.

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Abstract

Schwannomas localized in the sacrum are relatively infrequent, accounting for 1‑5% of all spinal axis schwannomas; they present with vague symptoms or are symptomless, so often grow to a considerable size before detection. Sacral schwannomas occasionally present with enormous dimensions, and these tumors are termed giant sacral schwannomas. However, their surgical removal is challenging owing to an abundant vascularity. The present study retrospectively analyzed the clinical and follow‑up data of a patient with a giant sacral schwannoma. The patient experienced numbness in the left buttock and lower extremity, with radiating pain in the sole of the foot that had persisted for 3 years. A presacral mass was found by computed tomography examination 6 months after the stool had become thin. A tumor resection was performed using the anterior abdominal approach. A schwannoma was diagnosed by postoperative pathology. The postoperative course was uneventful, with the complete resolution of symptoms during the 21‑month clinical follow‑up. Overall, the present study reports the case of a giant sacral schwannoma with pelvic pain that was resected without complications and also discusses its successful management. Additionally, the study presents a systematic review of the literature. We consider that the surgical treatment of giant sacral schwannomas with piecemeal subtotal excision can achieve good outcomes, avoiding unnecessary neurological deficits.

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